Right Triangle Solver
Solve a right triangle from one known side and one acute angle.
Opposite
0.7071
Adjacent
0.7071
Hypotenuse
1
Area
0.25
Perimeter
2.4142
Sine
0.707107
Cosine
0.707107
Tangent
1
Status
Triangle solved.
Formula
Use sine, cosine, and tangent with one known side and one acute angle.
Use sine, cosine, and tangent to solve a right triangle after you choose the side you know.
How to Use
Choose the side you know, enter the acute angle, and review the solved opposite, adjacent, hypotenuse, area, perimeter, sine, cosine, tangent, and status outputs. The side input changes with your selection so hidden values do not affect the result.
- Open the calculator : Start with Right Triangle Solver.
- Enter values : Fill in the required inputs and any optional settings.
- Review the result : Read the output and use the about page for more detail if needed.
Common Questions
What formula does the Right Triangle Solver Calculator use?
Use sine, cosine, and tangent with one known side and one acute angle.